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Investigation plan template

Investigation plan template

£7.90

Our Investigation Plan Template provides a clear structure for conducting fair, thorough, and compliant workplace investigations, ensuring consistency and efficiency.

Document

Access 12 months (includes updates)
Coverage UK-specific accuracy
Length 360 words · 2 pages
Last updated 12/04/2026
Formats Word · text · email
Delivery Instant download

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Investigation plan

This document sets out the framework for conducting a fair, thorough, and impartial investigation.

The investigation will be carried out in line with relevant policies and procedures, ensuring that all parties involved are treated with respect and confidentiality.

The investigator will gather facts, review evidence, and conduct interviews to establish findings that will inform any next steps.

Investigator: [Name of Investigator] [Job Title/Role]

Terms of reference:

  • Scope of the investigation (what will and will not be considered)
  • Key objectives (e.g., to establish facts, determine policy breaches, etc.)
  • Any limitations or exclusions
 

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Use

The Investigation Plan Template provides a structured framework for conducting workplace investigations in line with the ACAS guide to workplace investigations.

It outlines key steps, including defining the scope, identifying witnesses, gathering evidence, and setting timelines.

This template ensures a fair, thorough, and legally compliant investigation process, supporting informed decision-making and procedural transparency.

Workflow

Check which resources should be implemeted before and/or after the Investigation plan template, to understand the workflow.

Previous
Letters
Grievance investigation confirmation letter

Our Grievance Investigation Confirmation Letter ensures a transparent process, confirming receipt and initiation of grievance investigation promptly.

This
Investigation plan
Next
Letters
Investigation meeting invitation (to subject of allegation) letter

If an employee is suspected of misconduct, the employer must carry out a fair and proper investigation into the allegations and determine the facts of the case through gathering evidence.

Premium content

To continue reading, purchase this item or a parent toolkit, library or our full library.

Frequently Asked Questions

Can I use this in my small business?

Yes. The Investigation plan template is designed to be flexible and suitable for organisations of all sizes, including small businesses and charities. It follows UK employment law best practice, so even if you don't have an in-house HR team, you can confidently apply it.

Is it compliant with 2026 UK employment law?

Absolutely. As with the Investigation plan template, all of our templates are drafted with the latest ACAS guidance and UK employment legislation in mind. We review and update them regularly, so you can be confident they remain compliant.

Can I customise it for my organisation?

Yes, we highlight the areas of the Investigation plan template that you need to update with your own details, and where you need to make decisions to suit your situation. This saves you time and ensures that you meet best practice.

Do I get instant access to it?

Yes. Once purchased, you'll be able to download the Investigation plan template instantly. Templates are provided in editable Word or Excel format so you can customise them easily, and in PDF format for easy sharing.

What if I need more help, not just this template?

If you're looking for broader support, we also offer toolkits and library bundles that include the Investigation plan template, along with other HR templates and policies for fully managing your situation. These may be more cost-effective if you need deeper advice.

Why should I use this Investigation plan template, and not AI to generate it?

The risk of using a free AI-generated template 'without review' includes your legal exposure, missing context, and no awareness of the wider process, whereas purchasing the Investigation plan template from us mitigates that risk.

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